Patents
Patents for G08C 23 - Non-electric signal transmission systems, e.g. optical systems (9,931)
05/1991
05/28/1991US5020154 Transmission link
05/28/1991US5019814 Wireless data coupling system and method
05/21/1991US5016961 Optical apparatus for electrically inter-coupling rotating and stationary devices
05/16/1991DE3937572A1 CNC measurement signal transmitter - uses fibre=optic link to distant processing unit, where signal contains information about value and direction changes
05/14/1991CA1284209C Transmission having one central seismic data recording device, for signalsemitted by a set of probes
05/08/1991DE4034193A1 Arrangement for display of product and price data - uses electronic scales connected by infrared transceived to display devices and central processor
05/08/1991DE4034154A1 Stored data transmission for processing system - has central computer with infra red transmitter receiver communicating with distributed displays
05/08/1991DE3936570A1 Electronic input shutter for optical remote control - has opto-reflex light barriers on circuit board behind shutter with transmit and receiver components
05/07/1991USH911 Fiber optic link for detecting mechanical vibration in the presence of an electromagnetic field
04/1991
04/30/1991US5012223 Sound activated device and method
04/24/1991EP0412989A4 Long distance remote control
04/17/1991EP0250545B1 Optical data collection apparatus and method
04/16/1991US5008662 Remote supervisory and controlling machine
04/03/1991EP0419716A1 Contactless transmitting method for physical quantities measured in a rotating component
03/1991
03/21/1991WO1991003912A1 Digital acoustic switch
03/20/1991EP0417848A1 Polarimetric fibre-optic sensor
03/05/1991WO1991003756A1 Remote end detection
02/1991
02/26/1991US4996419 Distributed multiplexed optical fiber Bragg grating sensor arrangeement
02/21/1991DE3927212A1 IR or ultrasonic remote control unit - has solar cell generator whose cells and OFF key are fitted to housing underside
02/20/1991EP0412989A1 Long distance remote control.
02/12/1991US4992988 Underwater acoustic control system
01/1991
01/22/1991US4987297 Method and apparatus for automatically reading a mechanical fluid meter
01/22/1991US4986672 Radiation thermometer
01/22/1991CA1279372C Non-electronic gain control
01/01/1991US4982101 Fiberglass collar for data transfer from rotatable shaft
12/1990
12/18/1990US4978857 Optical data system having flash/receiver head for energizing/receiving information from a battery operated transmitter
12/12/1990EP0402185A1 Sensor network connected to a remote supplying, monitoring and processing central station
12/11/1990US4977404 Remote control transmitter for emitting control commands
12/04/1990CA1277404C Apparatus comprising raman-active optical fiber
11/1990
11/29/1990WO1990014650A1 System for transmitting and receiving remote control signals
11/22/1990DE4009658A1 Fernsteuerbares leistungsstellsystem A remotely controllable power adjustment system
11/15/1990WO1990013954A1 Infrared remote control system
11/06/1990US4968978 Long range multiple point wireless control and monitoring system
10/1990
10/24/1990EP0393470A1 Transmission link
10/20/1990CA2014772A1 Transmission link
10/16/1990US4963729 Optically powered sensor system with improved signal conditioning
10/09/1990US4962495 Apparatus and method for transmitting condition data from a rotating member to a stationary device
10/03/1990EP0390041A2 Remote-control apparatus for electronics apparatus
09/1990
09/26/1990EP0388792A1 Transmission device
09/25/1990US4959810 Universal remote control device
09/20/1990WO1990010921A1 A method for detecting external influence on an optical cable
09/20/1990WO1990010883A1 A method to use an optical fibre as a sensor
09/20/1990DE3908075A1 Device for intrinsically safe DC-isolated signal transmission in shearer loaders
09/18/1990CA2012408A1 A transmission system
09/12/1990EP0386965A1 Optically powered sensor arrangements
09/07/1990WO1990010140A1 Device for manipulation control of a movable object
09/06/1990DE3907033A1 Device for measuring and transmitting pressure and temperature values in the area subject/not subject to explosion hazards
09/03/1990CA2011509A1 Optically powered sensor arrangements
08/1990
08/01/1990EP0380395A1 Method for the sequential optical surveillance of an installation with a constant output signal
07/1990
07/18/1990CN1044002A Electrooptical arrangement for remotely controlling electronic apparatus
07/11/1990EP0377481A2 Apparatus for controlling rotational speed by optical data collection
07/11/1990EP0377055A1 Electro-optical arrangement for the remote control of electronic apparatuses
06/1990
06/20/1990EP0373407A1 Remote control device for the transmission of commands
06/19/1990US4935619 Wireless remote-control system for electronic apparatus
06/13/1990CN1008406B Arrangement for wireless signal transmission from a rotating body to a stationary receiving station
06/05/1990US4931790 Digital remote control method
05/1990
05/22/1990US4928088 Apparatus for extracting recorded information from a logging tool
05/16/1990EP0368461A2 Fibreglass collar for data transfer from rotatable shaft
05/16/1990CN1042214A Long range multiple point wireless control and monitoring system
05/02/1990CN1007844B Process and apparatus for control and for supervision of an industrial installation by transmission of information and of commands by optical means
04/1990
04/24/1990US4918982 Device for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines
04/10/1990US4916689 Communications apparatus for encoding and decoding multiplexed optical signal
04/04/1990EP0361585A2 Data setting system for terminal units in remote supervisory and controlling system employing multiplex data transmission
03/1990
03/21/1990EP0260165B1 Process and apparatus for initiating data acquisition devices, in particular those for seismic data
03/20/1990US4910408 Fiberglass collar for data transfer from rotatable shaft
03/14/1990EP0357909A1 Remote control electrical device
02/1990
02/27/1990US4905205 Method for transmitting to a central recording device seismic data collected by acquisition apparatus distributed over the ground and a device for implementing same
02/06/1990US4899044 Optically coupled remote sensor apparatus and system
01/1990
01/30/1990US4897883 Infrared remote control apparatus
01/30/1990US4897821 Method and device for initializing data, and particularly seismic data, acquisition apparatus
12/1989
12/13/1989CN1038002A Wireless remote-control system for electronic apparatus
12/12/1989US4887312 Method and apparatus for transmission of optical data between two electrically separated transmitting receiving units
11/1989
11/30/1989DE3831851C1 Method for measuring a physical variable by means of an optical sensor, and an arrangement for carrying out the method
11/30/1989DE3817621A1 Remote control system with a battery-fed or accumulator-fed remote control unit
11/23/1989EP0342202A1 Radiation thermometer
11/22/1989CN1037393A Optically coupled remote sensor apparatus and system
11/16/1989WO1989011137A1 Long distance remote control
11/15/1989EP0342146A2 Electricity meter with remote communications
11/14/1989US4880972 Fiber-optic measuring apparatus using luminescent material
11/09/1989DE3912502A1 Method and device for transmitting control data in a multi-station system
11/08/1989EP0340343A1 Wireless remote control system of electronic sets
11/02/1989EP0339334A2 Optically coupled remote sensor apparatus and system
10/1989
10/18/1989EP0337671A2 Signal transmission system for machine tools, inspection machines, and the like
10/18/1989EP0337670A2 Signal transmission system for machine tools, inspection machines, and the like
10/18/1989EP0337669A2 Signal transmission system for machine tools, inspection machines, and the like
09/1989
09/26/1989CA1261394A1 Remote metering
09/26/1989CA1261024A1 Arrangement for wireless signal transmission from a rotating body to a stationary receiving station
09/20/1989EP0333575A1 Process and device for the automatic reading of a fluid meter provided with a roller counting mechanism
09/19/1989US4868893 System for remote, interactive communication with a metal under ambient sunlight conditions
09/19/1989US4867565 Opto-electronic detection device for remotely detecting a physical magnitude
09/14/1989DE3806493A1 Bus system
09/12/1989US4866436 Device for transmitting measurement values of a sensor
09/05/1989US4864648 Method of transmitting a group at least two measured values through an optical transmission path
09/05/1989US4864647 Wireless infrared remote control extender
09/05/1989US4864489 Field instrumentation system
08/1989
08/29/1989CA1258927A1 Fiber optic multiplexed data acquisition system
08/17/1989DE3803541A1 Receiver unit, for example for a motor vehicle
08/02/1989EP0325917A2 Apparatus for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines
07/1989
07/25/1989US4850698 Method of determining measuring data on an optical transmission path by means of optical sensor
07/18/1989US4850040 Infrared remote control system for activating and deactivating one or more devices in a single enclosed space
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